@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&display=swap');

:root {
    --primary-black: #05020a;
    --secondary-black: #0d0915;
    --tertiary-black: #1a1523;
    --primary-purple: #8A2BE2;
    --secondary-purple: #9370DB;
    --glow-purple: rgba(138, 43, 226, 0.5);
    --text-primary: #EAE6F0;
    --text-secondary: #a9a2b9;
    --border-color: rgba(138, 43, 226, 0.2);
    --font-main: 'Inter', sans-serif;
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--primary-black);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, var(--tertiary-black), var(--primary-black)),
                radial-gradient(ellipse at bottom, var(--secondary-black), var(--primary-black));
    opacity: 0.5;
}

.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(5, 2, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: top var(--transition-slow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-primary);
    text-decoration: none;
    text-shadow: 0 0 10px var(--glow-purple);
}

.version-tag {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--secondary-purple);
    margin-left: 8px;
    vertical-align: middle;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-purple);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-slow);
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-primary);
    transition: all 0.3s ease-in-out;
}

.cta-button, .cta-button-secondary {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-slow);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button {
    background-color: var(--primary-purple);
    color: white;
    border: 2px solid var(--primary-purple);
}

.cta-button:hover {
    background-color: var(--secondary-purple);
    border-color: var(--secondary-purple);
    transform: translateY(-3px);
    box-shadow: 0 0 20px var(--glow-purple);
}

.cta-button-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-purple);
}

.cta-button-secondary:hover {
    background-color: var(--primary-purple);
    transform: translateY(-3px);
}

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 1.5rem 4rem;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    text-align: left;
}

.hero-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    animation: float 4s ease-in-out infinite;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, var(--text-primary), var(--secondary-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 550px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 0 40px -10px var(--glow-purple);
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.05);
}

.content-section {
    max-width: 1100px;
    margin: 0 auto;
    padding: 6rem 1.5rem;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--secondary-black);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-slow);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 30px -5px var(--glow-purple);
    border-color: var(--primary-purple);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-purple);
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.architecture-container {
    position: relative;
    max-width: 700px;
    margin: 4rem auto 0;
}

.arch-step {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
}

.arch-step:last-child {
    margin-bottom: 0;
}

.arch-icon {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: var(--secondary-black);
    border: 2px solid var(--primary-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-purple);
    box-shadow: 0 0 15px var(--glow-purple);
}

.arch-text h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.arch-text p {
    color: var(--text-secondary);
}

.arch-text code {
    background: var(--tertiary-black);
    color: var(--secondary-purple);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.tech-category {
    background: var(--secondary-black);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.tech-category h3 {
    font-size: 1.5rem;
    color: var(--secondary-purple);
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tech-item {
    background: var(--tertiary-black);
    padding: 0.7rem 1.2rem;
    border-radius: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    transition: all var(--transition-fast);
}

.tech-item:hover {
    color: var(--text-primary);
    transform: scale(1.05);
}

.tech-item i {
    color: var(--primary-purple);
}

.get-started-steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step-card {
    background: var(--secondary-black);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary-purple);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-purple);
}

.step-content {
    flex-grow: 1;
    min-width: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.code-block {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-black);
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.code-block pre {
    flex-grow: 1;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.code-block pre code {
    font-family: 'Courier New', Courier, monospace;
}

.copy-button {
    flex-shrink: 0;
    background: var(--tertiary-black);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    width: 35px;
    height: 35px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.copy-button:hover {
    color: var(--text-primary);
    background: var(--primary-purple);
}

.copy-button.copied {
    background: #27ae60;
    color: white;
}

.main-footer-bottom {
    background: var(--secondary-black);
    border-top: 1px solid var(--border-color);
    padding: 4rem 1.5rem 2rem;
    color: var(--text-secondary);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto 2rem auto;
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
}

.footer-about {
    flex: 2;
    min-width: 300px;
}

.footer-contact {
    flex: 1;
    min-width: 250px;
}

.footer-about p {
    font-size: 0.9rem;
    max-width: 500px;
    margin-top: 1rem;
}

.footer-contact h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.contact-links a {
    color: var(--text-secondary);
    font-size: 1.8rem;
    transition: all var(--transition-fast);
}

.contact-links a:hover {
    color: var(--primary-purple);
    transform: translateY(-3px);
}

.footer-copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.animate-on-load {
    animation: fadeInSlideUp 1s ease-out forwards;
    opacity: 0;
}

.hero-content.animate-on-load {
    animation-delay: 0.2s;
}

.hero-image-container.animate-on-load {
    animation-delay: 0.4s;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.features-grid .animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.features-grid .animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.features-grid .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.features-grid .animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.features-grid .animate-on-scroll:nth-child(5) { transition-delay: 0.5s; }
.features-grid .animate-on-scroll:nth-child(6) { transition-delay: 0.6s; }

@keyframes fadeInSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 992px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 5.5rem;
        flex-direction: column;
        background-color: var(--secondary-black);
        width: 100%;
        height: calc(100vh - 5.5rem);
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        padding-top: 2rem;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-item {
        margin: 1.5rem 0;
    }
    .hamburger {
        display: block;
    }
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    .nav-cta { display: none; }

    .hero-section {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }
    .hero-content {
        text-align: center;
    }
    .hero-subtitle {
        margin: 0 auto 2.5rem auto;
    }
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .content-section {
        padding: 4rem 1rem;
    }
    .hero-title { font-size: 2.8rem; }
    .section-title { font-size: 2.2rem; }
    
    .step-card { 
        flex-direction: column; 
        text-align: center; 
        align-items: center; 
        padding: 1.5rem;
    }
    
    .arch-step {
        flex-direction: column;
        text-align: center;
    }
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .footer-about, .footer-contact {
        flex-basis: 100%;
        align-items: center;
        display: flex;
        flex-direction: column;
    }
    .contact-links {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2.2rem; }
    .hero-buttons { 
        flex-direction: column; 
        align-items: center;
    }
    .code-block {
        padding: 0.5rem 0.8rem;
    }
    .step-card {
        padding: 1.5rem 1rem;
    }
}